BM-7, Bourland Mountains [Woods Hollow Fm] (Cambrian of the United States)
Where: Texas (30.1° N, 103.3° W: paleocoordinates 12.1° S, 101.5° W)
• coordinate based on political unit
When: Cedaria trilobite zone, Woods Hollow Formation, Middle Cambrian (513.0 - 501.0 Ma)
• "Cedaria zone."
• member-level stratigraphic resolution
Environment/lithology: offshore shelf; yellow limestone and shale
• "ls. boulders in dark green shale. outer shelf (BA5)"
• Dark yellowish brown to moderate yellowish brown medium-grain mottled limestone, weathers with orange ferruginous spots and contains lenses of trilobite coquina.
Primary reference: J.L. Wilson. 1954. Late Cambrian and Early Ordovician Trilobites from the Marathon Uplift, Texas. Journal of Paleontology 28(3):249-285 [P. Wagner/P. Wagner] more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 78740: authorized by Pete Wagner, entered by Pete Wagner on 15.02.2008